Location (Not Relevant: All projects are developed at the same location.) Customer (Not Relevant: Commercial customers for all projects.) Size (Not Relevant: All projects are in similar size less than 10 people.) Organizational Structure (Not Relevant: All projects are developed under the Research institute.) Type of Work (Not Relevant: Projects are all software development.) No sampling factor: No sampling factor to distinguish projects.
Sampling Factor Values:
All (No sampling factor): All basic units None (No sampling factor): Zero basic unit